<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" v-model="isAll">
    <label for="toggle-all"></label>
    <input
        class="new-todo"
        placeholder="输入任务名称-回车确认"
        autofocus
        v-model="label"
        @keydown.enter="submit"
    />
  </header>
</template>

<script>
export default {
  props: ['list'],
  data() {
    return {
      label: ''
    }
  },
  computed: {
    isAll: {
      set(value) {
        this.list.forEach(item => item.isDone = value)
      },
      get() {
        return this.list.every(item => item.isDone)
      }
    }
  },
  methods: {
    submit() {
      this.$emit('submit', this.label)
    }
  },
}
</script>

<style>
.header {
  position: relative;
}
</style>
